1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _SH_CACHECTL_H 3 #define _SH_CACHECTL_H 4 5 /* Definitions for the cacheflush system call. */ 6 7 #define CACHEFLUSH_D_INVAL 0x1 /* invalidate (without write back) */ 8 #define CACHEFLUSH_D_WB 0x2 /* write back (without invalidate) */ 9 #define CACHEFLUSH_D_PURGE 0x3 /* writeback and invalidate */ 10 11 #define CACHEFLUSH_I 0x4 12 13 /* 14 * Options for cacheflush system call 15 */ 16 #define ICACHE CACHEFLUSH_I /* flush instruction cache */ 17 #define DCACHE CACHEFLUSH_D_PURGE /* writeback and flush data cache */ 18 #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 19 20 #endif /* _SH_CACHECTL_H */ 21